Posted by flea on .
a toaster draws a current of 13.0A and has an electric potential difference of 120.V. For how long must it remain on to use 2.0x10^5J of electrical energy?

physics 
Damon,
Power = amps * volts in watts
power * time = energy
13 * 120 * t = 200,000 Joules
t is in seconds